;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2021 Raghav Gururajan <rg@raghavgururajan.name>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gnu packages telegram)
  #:use-module (gnu packages)
  #:use-module (gnu packages aidc)
  #:use-module (gnu packages assembly)
  #:use-module (gnu packages audio)
  #:use-module (gnu packages base)
  #:use-module (gnu packages check)
  #:use-module (gnu packages cmake)
  #:use-module (gnu packages compression)
  #:use-module (gnu packages cpp)
  #:use-module (gnu packages digest)
  #:use-module (gnu packages fcitx)
  #:use-module (gnu packages fcitx5)
  #:use-module (gnu packages gcc)
  #:use-module (gnu packages glib)
  #:use-module (gnu packages gnome)
  #:use-module (gnu packages gtk)
  #:use-module (gnu packages image)
  #:use-module (gnu packages kde-frameworks)
  #:use-module (gnu packages language)
  #:use-module (gnu packages libreoffice)
  #:use-module (gnu packages linux)
  #:use-module (gnu packages lxqt)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages protobuf)
  #:use-module (gnu packages pulseaudio)
  #:use-module (gnu packages python)
  #:use-module (gnu packages qt)
  #:use-module (gnu packages tls)
  #:use-module (gnu packages video)
  #:use-module (gnu packages xiph)
  #:use-module (gnu packages xorg)
  #:use-module ((guix licenses) #:prefix license:)
  #:use-module (guix packages)
  #:use-module (guix git-download)
  #:use-module (guix build-system cmake)
  #:use-module (guix build-system glib-or-gtk)
  #:use-module (guix build-system qt))

(define-public tg-owt
  (let ((commit "fa86fcc00c218813d61a272a56feab55c76a1ab9")
        (revision "1"))
    (package
      (name "tg-owt")
      (version
       (git-version "0" revision commit))
      (source
       (origin
         (method git-fetch)
         (uri
          (git-reference
           (url "https://github.com/desktop-app/tg_owt.git")
           (commit commit)))
         (file-name
          (git-file-name name version))
         (sha256
          (base32 "06gcrlym6vqqw7zlds9lpwyg37d5m81d87h16aps19v0v9gzan0l"))
         (modules '((guix build utils)
                    (ice-9 ftw)
                    (srfi srfi-1)))
         (snippet
          `(begin
             (let ((keep
                    '( ;; Custom forks which are incompatible with the ones in Guix.
                      "abseil-cpp" "libsrtp" "openh264" "rnnoise"
                      ;; Not available in Guix.
                      "pffft" "usrsctp"
                      ;; Has cmake support files for libvpx input.
                      "libvpx")))
               (with-directory-excursion "src/third_party"
                 (for-each delete-file-recursively
                           (lset-difference string=?
                                            (scandir ".")
                                            (cons* "." ".." keep))))
               #t)))))
      (build-system cmake-build-system)
      (arguments
       `(#:tests? #f                    ; No target
         #:configure-flags
         (list
          "-DCMAKE_C_FLAGS=-fPIC"
          "-DCMAKE_CXX_FLAGS=-fPIC")
         #:phases
         (modify-phases %standard-phases
           (add-after 'unpack 'copy-inputs
             (lambda* (#:key inputs outputs #:allow-other-keys)
               (let* ((libvpx-from (assoc-ref inputs "libvpx"))
                      (libyuv-from (assoc-ref inputs "libyuv"))
                      (libvpx-to (string-append (getcwd)
                                                "/src/third_party/libvpx/source/libvpx"))
                      (libyuv-to (string-append (getcwd)
                                                "/src/third_party/libyuv")))
                 (copy-recursively libvpx-from libvpx-to)
                 (copy-recursively libyuv-from libyuv-to))
               #t)))))
      (native-inputs
       `(("pkg-config" ,pkg-config)
         ("python" ,python-wrapper)
         ("yasm" ,yasm)))
      (inputs
       `(("alsa" ,alsa-lib)
         ("ffmpeg" ,ffmpeg)
         ("libjpeg" ,libjpeg-turbo)
         ("libvpx"
          ,(origin
             (method git-fetch)
             (uri
              (git-reference
               (url "https://chromium.googlesource.com/webm/libvpx")
               (commit "5b63f0f821e94f8072eb483014cfc33b05978bb9")))
             (file-name
              (git-file-name "libvpx-for-tg-owt" version))
             (sha256
              (base32 "1psvxaddihlw1k5n0anxif3qli6zyw2sa2ywn6mkb8six9myrp68"))))
         ("libyuv"
          ,(origin
             (method git-fetch)
             (uri
              (git-reference
               (url "https://chromium.googlesource.com/libyuv/libyuv")
               (commit "ad890067f661dc747a975bc55ba3767fe30d4452")))
             (file-name
              (git-file-name "libyuv-for-tg-owt" version))
             (sha256
              (base32 "01knnk4h247rq536097n9n3s3brxlbby3nv3ppdgsqfda3k159ll"))))
         ("openssl" ,openssl)
         ("opus" ,opus)
         ("protobuf" ,protobuf)
         ("pulseaudio" ,pulseaudio)))
      (synopsis "WebRTC support for Telegram-Desktop")
      (description "Tg_owt is a custom WebRTC fork by Telegram project,
for its use in telegram desktop client.")
      (home-page "https://github.com/desktop-app/tg_owt")
      (license
       (list
        ;; Abseil-CPP
        license:asl2.0
        ;; LibYuv
        (license:non-copyleft "file:///src/third_party/libyuv/LICENSE")
        ;; OpenH264
        license:bsd-2
        ;; PFFFT
        (license:non-copyleft "file:///src/third_party/pffft/LICENSE")
        ;; RnNoise
        license:gpl3
        ;; LibSRTP, LibVPx, UsrSCTP and Others
        license:bsd-3)))))

(define-public telegram-desktop
  (package
    (name "telegram-desktop")
    (version "2.5.1")
    (source
     (origin
       (method git-fetch)
       (uri
        (git-reference
         (url "https://github.com/telegramdesktop/tdesktop.git")
         (commit
          (string-append "v" version))
         (recursive? #t)))
       (file-name
        (git-file-name name version))
       (sha256
        (base32 "1qw9vaa482dbz97mzwjzmy3fw72s5bk3hyacyz98ms652xgld6js"))
       (modules '((guix build utils)
                  (ice-9 ftw)
                  (srfi srfi-1)))
       (snippet
        `(begin
           (let ((keep
                  '( ;; Custom forks which are incompatible with the ones in Guix.
                    "libtgvoip" "rlottie"
                    ;; Not available in Guix.
                    "SPMediaKeyTap" "statusnotifieritem" "tgcalls")))
             (with-directory-excursion "Telegram/ThirdParty"
               (for-each delete-file-recursively
                         (lset-difference string=?
                                          (scandir ".")
                                          (cons* "." ".." keep))))
             #t)))))
    (build-system qt-build-system)
    (arguments
     `(#:tests? #f                      ; No target
       #:imported-modules
       (,@%qt-build-system-modules
        (guix build glib-or-gtk-build-system))
       #:modules
       ((guix build qt-build-system)
        ((guix build glib-or-gtk-build-system)
         #:prefix glib-or-gtk:)
        (guix build utils))
       #:configure-flags
       ;; Client applications must provide their own API-ID and API-HASH,
       ;; see also <https://core.telegram.org/api/obtaining_api_id>.
       ;; In case, that the credentials below fail to work, contact
       ;;   Raghav Gururajan <rg@raghavgururajan.name>
       (list
        "-DTDESKTOP_API_ID=2791056"
        "-DTDESKTOP_API_HASH=582d6d0b44f7a2de949e99271fd8b3f2")
       #:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'make-writable
           (lambda _
             (for-each make-file-writable (find-files "."))
             #t))
         (add-before 'configure 'patch-cxx-flags
           (lambda _
             (substitute* "cmake/options_linux.cmake"
               (("class-memaccess") "all"))
             #t))
         (add-after 'install 'glib-or-gtk-compile-schemas
           (assoc-ref glib-or-gtk:%standard-phases 'glib-or-gtk-compile-schemas))
         (add-after 'glib-or-gtk-compile-schemas 'glib-or-gtk-wrap
           (assoc-ref glib-or-gtk:%standard-phases 'glib-or-gtk-wrap)))))
    (native-inputs
     `(("cmake-shared" ,cmake-shared)
       ("extra-cmake-modules" ,extra-cmake-modules)
       ("gcc" ,gcc-9)
       ("glib:bin" ,glib "bin")
       ("gobject-introspection" ,gobject-introspection)
       ("gtk+:bin" ,gtk+ "bin")
       ("pkg-config" ,pkg-config)
       ("python" ,python-wrapper)
       ("qttools" ,qttools)))
    (inputs
     `(("alsa" ,alsa-lib)
       ("c++-gsl" ,c++-gsl)
       ("catch" ,catch-framework2)
       ("expected" ,libexpected)
       ("fcitx-qt5" ,fcitx-qt5)
       ("fcitx5-qt" ,fcitx5-qt)
       ("ffmpeg" ,ffmpeg)
       ("glib" ,glib)
       ("gtk+" ,gtk+)
       ("hime" ,hime)
       ("hunspell" ,hunspell)
       ("iconv" ,libiconv)
       ("libdbusmenu-qt" ,libdbusmenu-qt)
       ("libjpeg" ,libjpeg-turbo)
       ;; ("libtgvoip" ,libtgvoip)
       ("lz4" ,lz4)
       ("materialdecoration" ,materialdecoration)
       ("minizip" ,minizip)
       ("nimf" ,nimf)
       ("openal" ,openal)
       ("openssl" ,openssl)
       ("opus" ,opus)
       ("pulseaudio" ,pulseaudio)
       ("qrcodegen" ,qrcodegen-cpp)
       ("qt" ,qtbase)
       ("qt5ct" ,qt5ct)
       ("qtimageformats" ,qtimageformats)
       ("qtwayland" ,qtwayland)
       ("range-v3" ,range-v3)
       ;; ("rlottie" ,rlottie)
       ("tg-owt" ,tg-owt)
       ("x11" ,libx11)
       ("xcb" ,libxcb)
       ("xcb-keysyms" ,xcb-util-keysyms)
       ("xxhash" ,xxhash)
       ("zlib" ,zlib)))
    (propagated-inputs
     `(("dconf" ,dconf)))
    (synopsis "Telegram Desktop")
    (description "Telegram desktop is the official desktop version of the
Telegram instant messager.")
    (home-page "https://desktop.telegram.org/")
    (license
     (list
      ;; ThirdParty
      license:lgpl2.1+
      ;; Others
      license:gpl3+))))